51
Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18
7 Installation
Connection diagram for an individual inverter
ON
1
RS485
Termination resistor = ON
Data logger
Fig. 7.4:
Connection diagram: Single inverter to data logger
Connection diagram for several inverters
► If the data logger has no integrated RS485 termination resis-
tor, then switch on the RS485 termination resistor on the first
inverter.
► After commissioning, set a different inverter ID on each
inverter, see “9.9 Inverter ID”, page 88.
...
ON
1
ON
1
ON
1
RS485
Termination resistor = ON
Termination resistor = OFF
Termination resistor = OFF
Data logger
Fig. 7.5:
Connection diagram: Several inverters to data logger